diff --git a/tests/python_client/base/utility_wrapper.py b/tests/python_client/base/utility_wrapper.py
index 5f542c20db..f1fcaa6d55 100644
--- a/tests/python_client/base/utility_wrapper.py
+++ b/tests/python_client/base/utility_wrapper.py
@@ -107,3 +107,14 @@ class ApiUtilityWrapper:
         check_result = ResponseChecker(res, func_name, check_task, check_items, is_succ,
                                        timeout=timeout, using=using).run()
         return res, check_result
+
+    def load_balance(self, src_node_id, dst_node_ids, sealed_segment_ids, timeout=None,
+                     using="default", check_task=None, check_items=None):
+        timeout = TIMEOUT if timeout is None else timeout
+
+        func_name = sys._getframe().f_code.co_name
+        res, is_succ = api_request([self.ut.load_balance, src_node_id, dst_node_ids,
+                                    sealed_segment_ids, timeout, using])
+        check_result = ResponseChecker(res, func_name, check_task, check_items, is_succ,
+                                       timeout=timeout, using=using).run()
+        return res, check_result